Sunday, April18, 2021
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Marine Weather and Tides
Wheeler, OR

Version 3.4
NOTICE
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 6:18AMSunset 8:04PM Sunday April 18, 2021 1:00 PM PDT (20:00 UTC) Moonrise 9:20AMMoonset 12:55AM Illumination 43% Phase: First Quarter Moon; Moon at 7 days in cycle
NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.
Marine Forecasts
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PZZ250 Coastal Waters From Cape Shoalwater Wa To Cascade Head Or Out 10 Nm- 245 Am Pdt Sun Apr 18 2021
Today..N wind to 5 kt, backing to sw 5 kt. Wind waves N 1 ft at 4 seconds, shifting to the sw at 4 seconds. W swell 3 ft at 11 seconds. Areas of dense fog.
Tonight..SW wind 5 kt. Wind waves sw 1 ft at 4 seconds. W swell 3 ft at 10 seconds. Areas of fog.
Mon..S wind 5 to 10 kt with gusts to 15 kt, veering to W in the afternoon. Wind waves S 2 ft at 4 seconds, shifting to the W 1 ft at 4 seconds in the afternoon. W swell 2 ft at 10 seconds. Areas of fog in the morning.
Mon night..N wind 10 to 15 kt with gusts to 20 kt. Wind waves nw 3 ft at 4 seconds. W swell 2 ft at 11 seconds, building to 5 ft at 11 seconds after midnight.
Tue..N wind 10 to 15 kt with gusts to 20 kt. Wind waves N 3 ft at 4 seconds. W swell 5 ft at 12 seconds.
Tue night..NW wind 10 to 15 kt with gusts to 20 kt. Wind waves nw 3 ft at 4 seconds. W swell 7 ft at 11 seconds.
Wed..NW wind 10 to 15 kt. Wind waves 3 ft. W swell 6 ft.
Thu..W wind 5 to 10 kt. Wind waves 2 ft. W swell 6 ft.
PZZ200 245 Am Pdt Sun Apr 18 2021
Synopsis for the southern washington and northern oregon coast.. Upper level high pressure remains over the coastal waters through the remainder of the weekend and into much of next week. A thermally-induced surface low pressure will persist from northern california and extend into oregon through the middle of the week. Expect strengthening northerly winds Monday which will persist into the middle of the week.


7 Day Forecast for Marine Location Near Wheeler, OR
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location: 45.67, -123.93     debug


Area Discussion for - Portland, OR
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FXUS66 KPQR 181807 AFDPQR

Area Forecast Discussion National Weather Service Portland OR 1056 AM PDT Sun Apr 18 2021

SYNOPSIS. An unusually warm and dry stretch of weather for April will likely continue for much of the upcoming week, but it is looking increasingly likely that cooler and wetter weather will arrive late in the work week into next weekend.

SHORT TERM. Today through Tuesday night . Water vapor satellite imagery this morning shows an omega blocking ridge of high pressure over northwestern Canada and the Alaska Panhandle. The Pacific Northwest is near the pinch point at the bottom of the omega block where a shortwave trough over the eastern Pacific is sliding towards the region and a shortwave trough over the Canadian Rockies is sliding southward towards the Inland Northwest and Rocky Mountain states. Both of these features will come into play later tonight into Monday.

In the meantime, visible satellite imagery and surface observations indicate fog and low clouds associated with a southerly wind reversal are continuing to work their way up the coast. These fog and low clouds should once again dissipate back to the immediate coastline or just offshore over the next hour or two. Increasing southwest to northwest pressure gradients across the region should result in the fog and low clouds pushing back onto the coast rather quickly late this afternoon, though.

Given the shallow nature of the marine intrusion along the coast so far, the Willamette Valley remains locked in a dry and mild airmass. Expect another day with high temperatures climbing into the low to mid 80s with relative humidities dropping into the teens and twenties. Record high temperatures should be quite a bit harder to come by today given many location's records are in the upper 80s, but there is a ~60% chance Troutdale sneaks in a record per NBM guidance.

As the marine layer deepens late this afternoon along the coast, expect marine air to surge through the Coast Range gaps bringing a few hours of 10-15 kts of westerly winds immediately downstream of the gaps in the Willamette and lower Columbia River valleys. These winds will usher in cooler temperatures and higher relative humidities, but there could be an hour or two where near critical RH and winds overlap.

As we move into tonight, we should see marine clouds continue to deepen along the coast and spread into the Coast Range gaps. However, a dry cold front tied to the aforementioned shortwave trough currently dropping southward along the Canadian Rockies will push southwestward across the Columbia Basin overnight and bring a surge of east winds through the Columbia River Gorge late tonight into Monday morning. This should also help to stop the marine clouds from advancing into most, if not all, of the Willamette Valley Monday morning. In addition, it should help to produce a rather quick retreat of the marine clouds along the coast on Monday. At this point, winds and RH will likely both flirt with critical values on Monday, particularly across the Portland metro, but not sure they will overlap enough or be widespread enough across any fire weather zone to warrant a Red Flag Warning. Nonetheless, it will be another dry and breezy day with unusually high fire danger for April.

Finally, the aforementioned shortwave trough over the eastern Pacific will continue to slide towards the region tonight into Monday before dropping southeastward across southwest Oregon Monday evening/night. NBM PoPs have climbed a bit higher over the past 24 hours, and are now at least in mentionable thresholds around 15% across portions of the coastal waters and primarily Lincoln and Lane Counties. NBM thunder chances remain below mentionable probabilities, but given the elevated nature of the moisture, little to no measurable precipitation is expected and our recent dry weather, will plan on taking a closer look at the lightning potential given the fire weather concerns with the afternoon forecast package. /Neuman

LONG TERM. Tuesday through Saturday . Mostly dry and warm weather through the middle of next week as high pressure dominates west of the Rockies. Temperatures will slowly lower around 10-15 degrees through Friday. Within the flow around the high pressure, a shortwave with a weak upper level low will pass over the area Tuesday morning. Some models are showing a brief period of showers but ultimately not expecting a lot of accumulation. This system has eroded over time as well so confidence with it's manifestation is marginal as it easily could be impacted by the dry airmass. The stubborn high pressure and dry air mass looks to start shifting east and being eaten away by a broad area of low pressure dropping down from the north Pacific.

The low has quite a bit of consistency among models even this far out. The main impact this low may bring some long waited precipitation towards the end of the week. The main challenge is the timing and whether or not the incoming low pressure will be deep enough to "push" the high pressure out of the area. -Muessle

AVIATION. Synoptic ridging will continue across the region for the next 24 hrs bringing clear skies and weak winds across the interior. A southerly surge of stratus is moving north along the coast which is producing LIFR conditions in KONP. Road cams are showing stratus just off the coast near Garibaldi and will likely stay offshore north into KAST. Winds are expected to shift onshore this afternoon which could push the stratus inland.

For detailed regional Pac NW aviation weather information, go online to: https://weather.gov/zse

KPDX AND APPROACHES . VFR conditions with light west to northwesterly winds will continue over the TAF period. -BPhillips

MARINE. Rather benign conditions persist through the weekend with generally light north/northwesterly winds across the waters along with general seas of 3 to 5 feet through Sunday. Along the Oregon coast expect marine stratus and areas of fog to continue to push northward through the morning.

Surface high pressure builds northward Monday while a thermally induced low pressure returns over northern California early next week. The increased pressure gradient across the coastal waters will result in increasing northerly winds. There is the chance for some low end Small Craft Advisory wind gusts of 25 to 30 kt late Monday through Tuesday. Seas are also likely to climb into the 6 to 8 ft range Tuesday into Wednesday. Seas expected to fall toward 4 to 6 ft along with winds decreasing during the latter part of next week. Some guidance suggests that by next weekend a new system could bring increasing southerly winds and seas, but confidence is relatively low at this time. /42

PQR WATCHES/WARNINGS/ADVISORIES. OR . None. WA . None. PZ . None.



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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
TLBO3 - 9437540 - Garibaldi, Tillamook Bay, OR 8 mi42 min 1024.7 hPa
ASTO3 - 9439040 - Astoria, OR 38 mi42 min SE 2.9 G 5.1 55°F 55°F1022.7 hPa
46243 - Clatsop Spit, OR - 162 39 mi34 min 52°F4 ft
46029 - COL RIVER BAR - 20NM West of Columbia River Mouth 44 mi30 min S 5.8 G 7.8

Wind History for Garibaldi, OR
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Tillamook, Tillamook Airport, OR18 mi65 minW 1210.00 miFair63°F50°F64%1023 hPa

Link to 5 minute data for KTMK

Wind History from TMK (wind in knots)
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Last 24hrW9NW9W7NW7NW7W4CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmS3CalmSW3CalmCalmCalmCalmW11
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NE9E4N3CalmCalmCalmSW4CalmNE8S3SE4S4S4S5E6NE8CalmN3
2 days agoNW8NW15NW13
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W4CalmW3CalmCalmCalmS3CalmCalmCalmCalm--SE3CalmCalmCalmNW3NE12
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Tide / Current Tables for Brighton, Nehalem River, Oregon
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Brighton
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Sun -- 01:55 AM PDT     Moonset
Sun -- 04:16 AM PDT     6.58 feet High Tide
Sun -- 06:23 AM PDT     Sunrise
Sun -- 10:19 AM PDT     Moonrise
Sun -- 11:52 AM PDT     0.35 feet Low Tide
Sun -- 07:02 PM PDT     5.06 feet High Tide
Sun -- 08:06 PM PDT     Sunset
Sun -- 11:23 PM PDT     3.63 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.94.65.46.26.66.55.94.93.62.31.20.60.40.71.42.43.54.34.95.14.94.443.7

Tide / Current Tables for Barview, Tillamook Bay, Oregon
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Barview
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Sun -- 01:54 AM PDT     Moonset
Sun -- 04:07 AM PDT     6.29 feet High Tide
Sun -- 06:24 AM PDT     Sunrise
Sun -- 10:20 AM PDT     Moonrise
Sun -- 11:54 AM PDT     0.33 feet Low Tide
Sun -- 06:53 PM PDT     4.84 feet High Tide
Sun -- 08:06 PM PDT     Sunset
Sun -- 11:25 PM PDT     3.34 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.64.45.266.36.15.54.63.42.21.20.50.30.61.42.43.44.24.74.84.64.13.73.4

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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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